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ISPA, Nike 'extreme' shoes assembled without glue: born to be reborn

Nike launches two new shoe models that are assembled without glue, less polluting and 'circular'

May 14, 2022
Gianluca RiccioGianluca Riccio
⚪ 4 minutes
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Back in 2004, the designer Marc Newson and Nike created Zvezdochka, a revolutionary sneaker with four interchangeable parts. Yes sir: the outer upper, sole, inner and insole were all user replaceable.

At the time it was an aesthetic solution, but today Nike's ISPA (Improvise; Scavenge; Protect; Adapt) design team has revisited the concept of the “glue-free” shoe in the name of sustainability.

Without glue
The old "Zvezdochka"Of NIKE

No glue

The circular design concept of "disassembly" - the ability to simply disassemble a product to recycle its components - has been one of the most difficult principles to apply to shoe manufacturing.

A good shoe is flexible and resistant: to obtain it, generally a good shoe is full of adhesives that make it impossible to disassemble and recycle. It's up to shred it, with an energy-intensive process (which also limits the way in which recycled materials can be used).

A “demountable” shoe would reduce the carbon footprint of the product and open up new possibilities for its life cycle.

Twin birth

The ISPA team has designed two new models: ISPA Link and ISPA Link Axis, both far ahead of the "old" Zvezdochka.

The article continues after the related links

5 small ingenious solutions for the circular economy

Shoes of the future? Custom made, 3D printed, recyclable every week

ISPA Link

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Without glue

It is equipped with three interlocking modules, connected without glue, which can be disassembled and delivered to Nike stores that offer the recycling service.

More than a shoe it is a game of joints: the midsole is made up of pegs that fit into pre-drilled holes in the upper. 40 athletes who spent around 200 hours on the prototype say it guarantees an exceptional fit, comfortable, stable and breathable.

A shoe made without glue also offers advantages in production. "A pair of Links takes about 8 minutes to assemble, a fraction of the average time required for a traditional sneaker. Without the long bonding process the time is significantly reduced. Not to mention the absence of energy-intensive processes such as cooling systems, heating and conveyor belts.

Shoe assembled without glue
The large "interlocking buttons" that allow the parts of the shoe to stick together without glue

The Link Axis goes even further

Without glue
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Its 100% recycled polyester upper is precision engineered to fit the outsole (no cutting and sewing method used for the Link), and its manufacturing was achieved using airbag waste materials.

"Designed in collaboration with the engineering, creation and development of digital products, these shoes are fully informed by the method of manufacture - it is truly a case of form following function," says Darryl Matthews, VP, Catalyst Footwear Product Design . "Our hope is that these ideas and aesthetics will normalize, accelerating our ability to imagine how shoes will continue to evolve in the future."

Nike without glue
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The ISPA Link will debut in June, while the ISPA Link Axis is scheduled for 2023.

As a mentioned here, plastic recycling is essentially failing. In Europe it is in bad shape, in the USA it is even catastrophic. To reverse the trend, companies need to take a step forward: not only by designing their products for disassembly, but also by taking responsibility for recycling them.

Paraphrasing an old slogan of his: shoes without glue, Nike must do it.

Tags: Circular economyshoes


GPT Chat Megaeasy!

Concrete guide for those approaching this artificial intelligence tool, also designed for the school world: many examples of applications, usage indications and ready-to-use instructions for training and interrogating Chat GPT.

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